Looking for box plans for single DD 12 like 2.6 total size, so that its 2.2-2.3 net after port and speaker displacement. I would likt it no taller than 14 inches, and 14 inches deep as well. Can be up to 40 inches long. Want it tuned to 37 HZ. Will pay 5 bucks for. Maybe a little extra if include cut sheet